Home / 1,513,182.72-2,270,316.36-648,254.88

Finding the Fourth Proportional to 1,513,182.72, 2,270,316.36 and 648,254.88

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Solution

The fourth proportional to 1,513,182.72, 2,270,316.36 and 648,254.88 is: 972,614.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,182.72 : 2,270,316.36 = 648,254.88 : x
  2. Step 2: Convert to fraction form
    1,513,182.72/2,270,316.36 = 648,254.88/x
  3. Step 3: Cross multiply
    1,513,182.72x = 2,270,316.36 × 648,254.88
  4. Step 4: Simplify right side
    1,513,182.72x = 1,471,743,659,513.84
  5. Step 5: Solve for x
    x = 1,471,743,659,513.84/1,513,182.72
  6. Step 6: Final answer
    x = 972,614.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.